01-10 Chevy/GMC 2500/3500 2in Torsion Keys C1203- Zone Off-Road Products

Fits 01-10 2500HD, 01-10 3500, 01-06 2500 trucks with the following RPO codes. These codes can be found on a tag in the glove box.
FK2-FK3-FF6-FF7-FF8-FF9

If your RPO codes are different, see Part # ZON C1202 .

Zone Offroad torsion bar keys are made in the USA and are 100% resonant frequency tested to ensure a solid casting. Once tested the keys are CNC machined to ensure the proper amount of lift for your vehicle. These keys are designed lift the front of your truck 2 inches.